https://devzone.nordicsemi.com/f/nordic-q-a/63570/adding-sd-card-as-second-spi-slaveHi, we have a nRF52 DK getting sensor values from a Sensor connected as SPI-Slave. Everytime there is a new Sensor Value (~20 ms) the sensor generates an Interrupt and pulls a GPIOTE Pin of the nRF down. In the Interrupt event handler the nRF52 queriesen-USTelligent Community 13Thu, 09 Jul 2020 12:39:39 GMThttps://devzone.nordicsemi.com/thread/259181?ContentTypeID=1Thu, 09 Jul 2020 12:39:39 GMT137ad170-7792-4731-bb38-c0d22fbe4515:ae9d825d-625a-4c5b-a744-57dcaf09de99awneil<p>Definitely No. 2:</p> <p><a href="https://devzone.nordicsemi.com/f/nordic-q-a/63517/interfacing-between-nrf52840-and-bme680-i2c-or-spi/258966#258966">devzone.nordicsemi.com/.../258966</a></p><div style="clear:both;"></div>